#include <stdio.h>
int main(){
    int a=0;
    int b=0;
    int count = 100;
    while(count--){
        scanf("%d %d",&a, &b);
        printf("%d\n",a+b);
    /*
        if(scanf("%d %d",&a,&b)==2){
            printf("%d\n",a+b);
        }
        else{
            break;
        }
    */
    }
    return 0;
}